VERDER AIR VA 25 Manual de operación

INSTRUCTIONS–PARTS LIST

Air-Operated

Diaphragm Pumps

819.0254

Rev. L

Intended for use in accordance with the United States Flammable and Combustible Liquids

Code (NFPA 30) and the Automotive and Marine Service Station Code (NFPA 30A).

For professional use only.

VERDER VA 25

Evacuation and Transfer Pumps

120 psi; 0.84 MPa; 8.4 bar Maximum Fluid Working Pressure

120 psi; 0.84 MPa; 8.4 bar Maximum Air Input Pressure

Part No. 810.0780*

with TPE diaphragms and seats, acetal balls

Part No. 810.0930*

with TF diaphragms and balls, fluoroelastomer seats

Patent No.

CN ZL94102643.4

FR 9408894

JA 3517270

US 5,368,452 Important Safety Instructions

Read all warnings and instructions in this manual.

Save these instructions.

This symbol on the nameplate means the

product is listed by Underwriters

Laboratories Inc. (UL Standard No. 79,

Standard for Power-Operated Pumps for

Petroleum Product Dispensing Systems).

II 2 GD

Ex h IIC 66°C...135°C Gb

Ex h IIIC T135°C Db

Model 810.0780

ATEX T-code rating is dependent on the temperature of the fluid

being pumped. Fluid temperature is limited by the materials of the

pump interior wetted parts. See Technical Data for the maximum

fluid operating temperature for your specific pump model.

2 819.0254

Table of Contents

Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

General Information . . . . . . . . . . . . . . . . . . . . . . . . . . .5

Tightening Screws Before First Use . . . . . . . . . . . . . . .5

Grounding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

Mountings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

Air Line . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

Waste Oil Receiver Evacuation System, or

General Fluid Transfer Application . . . . . . . . . . . .7

Gear Oil Evacuation System . . . . . . . . . . . . . . . . .7

Fuel Dispense System . . . . . . . . . . . . . . . . . . . . . .8

Pressure Relief Valve (Fuel Dispense Systems) . . . . .8

Changing the Orientation of the Fluid Inlet

and Outlet Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

Air Exhaust Ventilation . . . . . . . . . . . . . . . . . . . . . . . . .9

Fluid Pressure Relief Kit

(for Pump Model 810.0780 only) . . . . . . . . . . . . . . .10

Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

Pressure Relief Procedure . . . . . . . . . . . . . . . . . . . . .11

Flush the Pump Before First Use . . . . . . . . . . . . . . . .11

Starting and Adjusting the Pump . . . . . . . . . . . . . . . .12

Pump Shutdown (All Systems) . . . . . . . . . . . . . . . . . .12

Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Lubrication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Flushing and Storage . . . . . . . . . . . . . . . . . . . . . . . . . 13

Tightening Threaded Connections . . . . . . . . . . . . . . . 13

Preventive Maintenance Schedule . . . . . . . . . . . . . . . 13

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Repairing the Air Valve . . . . . . . . . . . . . . . . . . . . . . . .15

Ball Check Valve Repair . . . . . . . . . . . . . . . . . . . . . . .17

Diaphragm Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Bearing and Air Gasket Removal . . . . . . . . . . . . . . . . 21

Parts Drawing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Evacuation and transfer pumps . . . . . . . . . . . . . . . . .23

Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Repair Kits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Fluid Section Repair Kit 819.0986 . . . . . . . . . . . . . . . 24

Air Valve Repair Kit 819.4274 . . . . . . . . . . . . . . . . . . .24

Torque Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Evacuation and Transfer Pumps (Model 810.0780) . . 26

Customer Services/Guarantee . . . . . . . . . . . . . . . . . . . . 27

819.0254 3

Symbols

Warning Symbol

Thissymbol alerts youto the possibilityof serious injuryor

death if you do not follow the instructions.

Caution Symbol

This symbol alerts you to the possibility of damage to or

destruction of equipment if you do not follow the

instructions.

Warning Caution

WARNING

INSTRUCTIONS

EQUIPMENT MISUSE HAZARD

Equipment misuse can cause the equipment to rupture or malfunction and result in serious injury.

• This equipment is for professional use only.

• Read all instruction manuals, tags, and labels before operating the equipment.

• Use the equipment only for its intended purpose. If you are not sure, call your VERDER

distributor.

• Do not alter or modify this equipment.

• Check equipment daily. Repair or replace worn or damaged parts immediately.

• Do not exceed the maximum working pressure of the lowest rated component in your system.

Refer to the Technical Data on page 26 for the maximum working pressure of your equipment.

• Use fluids and solvents which are compatible with the equipment wetted parts. Refer to the

Technical Data section of all equipment manuals. Read the fluid and solvent manufacturer’s

warnings.

• Do not kink or overbend hoses or use hoses to pull equipment.

• Route hoses away from traffic areas, sharp edges, moving parts, and hot surfaces. Do not

expose VERDER hoses to temperatures above 82°C (180°F) or below -40°C (-40°F).

• Wear hearing protection when operating this equipment.

• Do not lift pressurized equipment.

• Comply with all applicable local, state, and national fire, electrical, and safety regulations.

• Never use 1,1,1-trichloroethane, methylene chloride, other halogenated hydrocarbon solvents or

fluids containing such solvents in pressurized aluminum equipment. Such use could result in a

chemical reaction, with the possibility of explosion.

4 819.0254

TOXIC FLUID HAZARD

Hazardous fluid or toxic fumes can cause serious injury or death if splashed in the eyes or on the skin,

inhaled, or swallowed.

• Know the specific hazards of the fluid you are using.

• Store hazardous fluid in an approved container. Dispose of hazardous fluid according to all local,

state and national guidelines.

• Always wear protective eyewear, gloves, clothing and respirator as recommended by the fluid

and solvent manufacturer.

• Pipe and dispose of the exhaust air safely, away from people, animals, and food handling areas.

If the diaphragm fails, the fluid is exhausted along with the air. See Air Exhaust Ventilation on

page 9.

•Never use an acetal pump to pump acids. Take precautions to avoid acid or acid fumes from

contacting the pump housing exterior. Stainless steel parts will be damaged by exposure to acid

spills and fumes.

FIRE AND EXPLOSION HAZARD

Improper grounding, poor ventilation, open flames, or sparks can cause a hazardous condition and

result in a fire or explosion and serious injury.

• Ground the equipment. Refer to Grounding on page 5.

• If there is any static sparking or you feel an electric shock while using this equipment, stop

pumping immediately. Do not use the equipment until you identify and correct the problem.

• Provide fresh air ventilation to avoid the buildup of flammable fumes from solvents or the fluid

being pumped.

• Pipe and dispose of the exhaust air safely, away from all sources of ignition. If the diaphragm

fails, the fluid is exhausted along with the air. See Air Exhaust Ventilation on page 9.

• Keep the work area free of debris, including solvent, rags, and gasoline.

• Electrically disconnect all equipment in the work area.

• Extinguish all open flames or pilot lights in the work area.

• Do not smoke in the work area.

• Do not turn on or off any light switch in the work area while operating or if fumes are present.

• Do not operate a gasoline engine in the work area.

• Keep a fire extinguisher in the work area.

WARNING

819.0254 5

Installation

General Information

• The Typical Installations shown in Fig. 2 to Fig. 4 are

only guides for selecting and installing system

components. Contact your VERDER distributor for

assistance in planning a system to suit your needs.

• Reference numbers and letters in parentheses refer

to the callouts in the figures and the parts lists on

pages 23 to 24.

• Installation and use must be in accordance with the

Flammable and Combustible Liquids Code (NFPA

30) and Automotive and Marine Service Station Code

(NFPA 30A) and must comply with all local, state,

and federal codes.

• All pipe joints are to be made tight with UL listed

gasoline-resistant pipe compound.

Tightening Screws Before First Use

Before using the pump for the first time, check and

retorqueallexternalfasteners.SeeTorque Sequence on

page 25. After the first day of operation, retorque the

fasteners. Although pump use varies, a general guideline

is to retorque fasteners every two months.

Grounding

•Pump: loosen the grounding screw (W). Insert one

end of a 12 ga (1.5 mm2) minimum ground wire (Y)

behind the grounding screw and tighten the screw

securely. See Fig. 1. Connect the clamp end of the

ground wire to a true earth ground. Order Part No.

819.0157 Ground Wire and Clamp.

•Air and fluid hoses: use only grounded hoses with a

maximum of 500 ft (150 m) combined hose length to

ensure grounding continuity.

•Air compressor: follow manufacturer’s

recommendations.

•Solvent pails: Ground all solvent pails used when

flushing, according to local code. Use only metal

pails, which are conductive. Do not place the pail on

a non-conductive surface, such as paper or

cardboard, which interrupts the grounding continuity.

•Fluid supply container: ground according to local

code.

•Suction device nozzle: must be bonded to metal

container from which it is suctioning by firm

metalto-metal contact to a properly grounded suction

hose and pump.

•Piping, valves, and fittings: use only electrically

conductive materials. Bond and ground per code.

Check your system electrical continuity after the initial

installation, and then set up a regular schedule for

checking continuity to be sure proper grounding is

maintained.

Fig. 1

WARNING

FIRE AND EXPLOSION HAZARD

Before operating the pump, ground the

system as explained below. Also read the

section FIRE AND EXPLOSION HAZARD

on page 4.

6 819.0254

Installation

Mountings

• Be sure the mounting surface can support the weight

of the pump, hoses, and accessories, as well as the

stress caused during operation.

• For all mountings, be sure the pump is bolted directly

to the mounting surface.

• For ease of operation and service, mount the pump

so the air valve cover (2), air inlet, and fluid inlet and

outlet ports are easily accessible.

• Rubber Foot Mounting Kit 819.4333 is available to

reduce noise and vibration during operation.

Air Line

1. Install the air line accessories as shown in Fig. 2 to

Fig. 4 on pages 7 and 8. Mount these accessories on

the wall or on a bracket. Be sure the air line supplying

the accessories is grounded.

a. Install an air regulator (C) and gauge to control

thefluidpressure.Thefluidoutletpressureatstall

will be the same as the setting of the air regulator.

b. Locate one bleed-type master air valve (B) close

to the pump and use it to relieve trapped air. See

theWARNINGabove.Locatetheothermasterair

valve (E) upstream from all air line accessories

and use it to isolate them during cleaning and

repair.

c. The air line filter (F) removes harmful dirt and

moisture from the compressed air supply.

2. Install a grounded, flexible air hose (A) between the

accessories and the 1/2 npt(f) pump air inlet (N). See

Fig. 6. Use a minimum 1/2 in. (13 mm) ID air hose.

Screw an air line quick disconnect coupler (D) onto

the end of the air hose (A), and screw the mating

fitting into the pump air inlet snugly. Do not connect

the coupler (D) to the fitting until you are ready to

operate the pump.

CAUTION

The pump exhaust air may contain contaminants.

Ventilate to a remote area if the contaminants could

affectyour fluid supply.See Air Exhaust Ventilation on

page 9.

WARNING

Toreducetheriskofseriousinjury,splashingintheeyes

or on the skin, and toxic fluid spills, never move or lift a

pump under pressure. If dropped, the fluid section may

rupture. Always follow the Pressure Relief Procedure

on page 11 before moving or lifting the pump.

WARNING

A bleed-type master air valve (B) is required in your

system to relieve air trapped between this valve and the

pump. Trapped air can cause the pump to cycle

unexpectedly, which could result in serious injury,

includingsplashing in theeyesor on theskin, injury from

moving parts, or contamination from hazardous fluids.

819.0254 7

Installation

Fig. 2

Fig. 3

KEY FOR FIG. 2

A Air supply line

B Bleed-type master air valve (required

for pump)

C Air regulator

D Air line quick disconnect

E Master air valve (for accessories)

F Air line filter

G Fluid suction line

H Fluid line quick disconnect

J Fluid drain valve (required)

K Fluid shutoff valve

L Fluid line

M Waste oil receiver

Y Ground wire (required; see page 5 for

installation instructions)

Waste Oil Receiver Evacuation System, or

General Fluid Transfer Application

Gear Oil Evacuation System

KEY FOR FIG. 3

A Air supply line

B Bleed-type master air valve (required

for pump)

C Air regulator

D Air line quick disconnect

E Master air valve (for accessories)

F Air line filter

G Fluid suction line

H Fluid line quick disconnect

J Fluid drain valve (required)

K Fluid shutoff valve

L Waste oil line (to storage tank)

P Suction hose

R Control valve

S Suction wand

Y Ground wire (required; see page 5 for

installation instructions)

8 819.0254

Installation

Fig. 4

Pressure Relief Valve (Fuel Dispense

Systems) Changing the Orientation of the Fluid Inlet

and Outlet Ports

If desired, you can easily change the orientation of the

fluid inlet and outlet ports. See Fig. 6.

1. Remove the screws (6) holding the inlet and/or outlet

manifold (1, 3) to the covers (2).

2. Reverse the manifold and reattach. Install the screws

and torque to 120 to 150 in–lb (14–17 N•m). See

Torque Sequence on page 25.

KEY FOR FIG. 4

A Air supply line

B Bleed-type master air valve (required

for pump)

C Air regulator

D Air line quick disconnect

E Master air valve (for accessories)

F Air line filter

G Fluid suction line

J Fluid drain valve (required)

K Fluid shutoff valve

L Fluid line

T Hose reel

V Fuel dispense valve

Y Ground wire (required; see page 5 for

installation instructions)

46 Pressure relief valve (required to limit

fluid outlet pressure to 50 psi [350

kPa, 3.5 bar])

Fluid from the relief valve (46) must

be vented to a safe area.

Fuel Dispense System

WARNING

Fuel Dispense Model 810.0781 requires a pressure

relief valve 819.0252 (46), which is supplied with the

pump, to prevent fluid pressure from exceeding 50 psi

(350 kPa, 3.5 bar). Do not exceed the maximum air inlet

pressureof 50psi (350 kPa, 3.5 bar).Recommended air

operating pressure is 40 psi (280 kPa, 2.8 bar) or less.

Astheairinletpressureapproaches50psi(350kPa,3.5

bar),the reliefvalve willopen andvent fluid.Vented fluid

must be routed to a container in a safe place.

819.0254 9

Installation

Air Exhaust Ventilation

The air exhaust port is 3/4 npt(f). Do not restrict the air

exhaust port. Excessive exhaust restriction can cause

erratic pump operation.

To provide a remote exhaust:

1. Remove the muffler (U) from the pump air exhaust

port.

2. Install a grounded air exhaust hose (W) and connect

the muffler (U) to the other end of the hose. The

minimum size for the air exhaust hose is 3/4 in. (19

mm) ID. If a hose longer than 15 ft (4.57 m) is

required, use a larger diameter hose. Avoid sharp

bends or kinks in the hose.

3. Place a container (X) at the end of the air exhaust line

to catch fluid in case a diaphragm ruptures. See Fig.

5. Locate the container away from all sources of

ignition, including pilot lights and waste materials. If

the diaphragm ruptures, the fluid being pumped will

exhaust with the air.

VENTING EXHAUST AIR

Fig. 5

WARNING

Be sure to read and follow the TOXIC FLUID HAZARD

and FIRE AND EXPLOSION HAZARD warnings on

page 4 before operating this pump.

Be sure the system is properly ventilated for your type of

installation. You must vent the exhaust to a safe place,

away from people, animals, food handling area, and all

sources of ignition when pumping flammable or

hazardous fluids.

Diaphragm failure will cause the fluid being pumped to

exhaust with the air. Place an appropriate container at

the end of the air exhaust line to catch the fluid. See Fig.

KEY

A Air supply line

B Bleed-type master air valve

(required for pump)

C Air regulator

D Air line quick disconnect

E Master air valve (for accessories)

F Air line filter

U Muffler

W Grounded air exhaust hose

X Container for remote air exhaust

10 819.0254

Installation

Fluid Pressure Relief Kit (for Pump Model 810.0780 only)

Fig. 6

Caution

Pressure Relief Kit 819.6479 (Z) is available, to

preventoverpressurization and rupture of the pump or

hose. See Fig. 6. The kit includes instructions.

Thermal expansion of fluid in the outlet line can cause

overpressurization. This can occur when using long

fluid lines exposed to sunlight or ambient heat, or

when pumping from a cool to a warm area (for

example, from an underground tank).

This kit is not for use in fuel dispense

applications. Order a fuel dispense pump, Model

810.0781, which is equipped with a pressure relief

valve 819.0252. See page 8.

Overpressurization can also occur if the VA 25 pump

is being used to feed fluid to a piston pump, and the

intake valve of the piston pump does not close,

causing fluid to back up in the outlet line.

2653c

KEY

1 1 in. npt(f) optional fluid outlet port

2 Fluid covers

3 1 in. npt(f) optional fluid inlet port

6 Manifold and cover screws

8 Air valve screws

N 1/2 in. npt(f) air inlet port

U Muffler; air exhaust port is 3/4 in. npt(f)

Z Pressure relief kit

Apply medium-strength (blue) Loctite or

equivalent to the threads and install kit between

fluid inlet and outlet manifolds.

Connect fluid inlet line here.

Connect fluid outlet line here.

Torque to 120 to 150 in-Ib (14 to 15 N•m).

See Torque Sequence on page 25. Apply

medium-strength (blue) Loctite or

equivalent to the threads.

Torque to 50 to 60 in-Ib (5.6 to 6.87 N•m).

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